From e32883df01e5d88207cadc8fe85c73431ec23956 Mon Sep 17 00:00:00 2001
From: Rob Pike <r@golang.org>
Date: Mon, 19 Oct 2009 11:47:42 -0700
Subject: [PATCH] bug 211: duplicate interface methods not caught by 6g

R=gri
DELTA=17  (17 added, 0 deleted, 0 changed)
OCL=35852
CL=35876
---
 test/bugs/bug211.go | 14 ++++++++++++++
 test/golden.out     |  3 +++
 2 files changed, 17 insertions(+)
 create mode 100644 test/bugs/bug211.go

diff --git a/test/bugs/bug211.go b/test/bugs/bug211.go
new file mode 100644
index 0000000000..69aeeeeac5
--- /dev/null
+++ b/test/bugs/bug211.go
@@ -0,0 +1,14 @@
+// errchk $G $D/$F.go
+
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+type R interface { duplicate() }
+type S interface { duplicate() }
+type T interface { R; S }	// ERROR "duplicate"
+
+func main() {
+}
diff --git a/test/golden.out b/test/golden.out
index dea36ea2bd..52fe9ec53b 100644
--- a/test/golden.out
+++ b/test/golden.out
@@ -170,3 +170,6 @@ BUG: bug196
 =========== bugs/bug210.go
 bugs/bug210.go:10: invalid recursive type []T
 BUG: should compile
+
+=========== bugs/bug211.go
+BUG: errchk: command succeeded unexpectedly
-- 
2.50.0